DevOps Engineer

DevOps Engineer – London, Gloucestershire, Manchester – On Site – Permanent 37.5 hours per week –£44,000 - £94,000 (Dependent on experience)– eDV Clearance Company Culture & Job Summary Our client is looking for experienced Senior and Lead DevOps Engineers to join their Defence and National Security teams, delivering secure, resilient and mission-critical technology across some of the UK's most complex programmes. This is an exciting opportunity for hands-on DevOps professionals with strong experience in CI/CD pipelines, Infrastructure as Code, cloud platforms and containerisation. Depending on experience, you will also have the opportunity to take on technical leadership responsibilities, influence engineering practices and mentor other engineers. Due to the sensitive nature of these programmes, eDV clearance. Working Patterns and Location - Locations: London, Gloucestershire or Greater Manchester. - Working Pattern: Fully onsite. - Contract: Permanent, 37.5 hours per week. - Salary: £44,000–£94,000 depending on experience and seniority. The Key Responsibilities of a Senior / Lead DevOps Engineer: - Design, develop and maintain secure, resilient and mission-critical infrastructure across complex Defence and National Security programmes. - Build, manage and continuously improve CI/CD pipelines to support efficient, reliable software delivery. - Automate infrastructure provisioning, configuration and deployment using Infrastructure as Code and scripting tools. - Work with cloud platforms, containerisation and orchestration technologies to support scalable solutions. - Contribute to hands-on engineering, code development, peer reviews and technical design decisions. - Monitor and optimise system performance, reliability, security and operational efficiency. - Collaborate with technical teams and stakeholders to translate complex requirements into effective engineering solutions. - Provide technical guidance, support Agile delivery and mentor engineers where appropriate. Below is a list of Key Skills required for a Senior / Lead DevOps Engineer; however, you will not be expected to have everything: - Strong hands-on experience in DevOps engineering, including designing, building and maintaining CI/CD pipelines. - Experience with CI/CD tools such as Jenkins, Concourse, Maven or Bamboo. - Knowledge of Infrastructure as Code, automation and configuration management using Terraform, Ansible, Puppet or similar technologies. - Experience with cloud platforms such as AWS, Microsoft Azure or Google Cloud. - Practical experience with containerisation and orchestration technologies including Docker, Kubernetes or OpenShift. - Scripting and automation experience using Python, Bash or PowerShell. - Experience administering Linux or Unix-based systems. - Strong problem-solving skills and the ability to work collaboratively within Agile engineering teams. - Good communication skills with the ability to explain technical solutions to stakeholders. The client would also like to see some of the below, but this is not essential: - Experience providing technical leadership, mentoring engineers or influencing DevOps best practices. - Knowledge of monitoring and observability tools such as Grafana, Elastic Stack or Elasticsearch. - Experience with database technologies including SQL or MongoDB. - Familiarity with Jira, Confluence and Bitbucket. - Experience implementing DevSecOps practices and supporting cloud migration or modernisation programmes. - Previous experience delivering solutions within Defence, Government or National Security environments. Our clients Offer a range of benefits for permanent workers, as well as an excellent salary you will receive the following: Our client believes in providing a total value employment package – one that consists of both tangible – competitive compensation, high calibre work, development opportunities – and intangible – commitment to integrity, support for the diversity of its people, contributions to the communities it serves – benefits. - Flexible and hybrid working - Competitive salary and bonus scheme - Private healthcare and pension benefits - Enhanced family leave policies - Holiday purchase scheme - Wellbeing and mental health support - Employee assistance programme - Discounts and reward platform - Volunteering opportunities - Recognition and career development programmes Our client is committed to providing a diverse and inclusive workplace and welcomes applications from all backgrounds. Part-time opportunities/flexible working may be available to suit individual needs, subject to programme requirements. RECOMMEND A FRIEND If you have professional friends or colleagues who would be interested in one of our roles and our excellent levels of service, we'd like to recognise your recommendations with a 'thank you' of our own. For every friend you refer who then starts a Contract or Permanent role through Datasource, we will send you £200 in Love2Shop Gift Vouchers, and your friend will receive £100 in Love2Shop Gift Vouchers too! Security Clearance: You will be required to hold active DV or eDV clearance, depending on the role. Please familiarise yourself with the relevant vetting requirements before applying. (c) Copyright Datasource Computer Employment Limited 2026.